A lot of Care2 readers already know that some bigger dogs, like Pit Bulls, are misunderstood and unfairly labeled as aggressive breeds. So what are the most aggressive dog breeds? I came across a study published in the journal Applied Animal Behavior Science a few years ago, and the answer surprised me. The most aggressive breed, the study found, was the Dachshund. The researchers discovered that that one in five have bit or attempted to bite a stranger, and one in twelve have lashed out at their owners. Chihuahuas were in second place, and Jack Russells were the third most aggressive breed. Up to 30 percent of these smaller breeds have bit or attempted to bite unfamiliar dogs. Surprised? One of the study’s researchers thinks that bigger dogs were thought to be more aggressive because past research looked at bite statistics—but most bites are not reported. Bigger dogs have bigger bites, which makes it more likely that those–not Dachshund bites—are the ones being medically treated…Read More

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